What the company does
Jeio makes carbon nanotubes, ultra-fine carbon-based materials used as conductive additives inside rechargeable batteries to improve electrical performance, and supplies them to major battery makers in Korea and abroad.
The company also provides plant-engineering services, covering process design, project management, and commissioning for industries such as battery materials, electronics, petrochemicals, and environmental processing. Listed on KOSDAQ, Korea's tech-focused small-cap exchange, Jeio operates two distinct business lines: battery-materials production and industrial plant engineering.
Summary is AI-generated and may contain errors · figures from DART filings
Financials
Source: DART · FY ending Dec · latest FY2025Revenue
- FY2023US$83M
- FY2024US$60.1M
- FY2025US$40M
Operating profit
- FY2023US$8.7M
- FY2024−US$4M
- FY2025−US$3.1M
Net income
- FY2023US$12.6M
- FY2024−US$6.4M
- FY2025−US$5.4M
Key ratios (FY2025)
Why it matters · Context, not a recommendation
Jeio states it was the first company in Korea to achieve mass production of carbon nanotubes and that it developed its own production equipment in-house.
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